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CVE-2020-27797

Date: August 25, 2022

An invalid memory address reference was discovered in the elf_lookup function in p_lx_elf.cpp in UPX 4.0.0 via a crafted Mach-O file.

Language: C

Severity Score

Related Resources (4)

https://github.com/upx/upx/issues/390
https://nvd.nist.gov/vuln/detail/CVE-2020-27797
https://security-tracker.debian.org/tracker/CVE-2020-27797
https://www.mend.io/vulnerability-database/CVE-2020-27797

Severity Score

Weakness Type (CWE)

Buffer Errors

CWE-119

Release of Invalid Pointer or Reference

CWE-763

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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